poisson_robin.icc

The Poisson problem with Robin boundary condition – solver function

field poisson_robin (Float Cf, const geo& boundary, const field& lh) {
const space& Xh = lh.get_space();
trial u (Xh); test v (Xh);
form a = integrate(dot(grad(u),grad(v))) + Cf*integrate(boundary, u*v);
field uh (Xh);
problem p (a);
p.solve (lh, uh);
return uh;
}
lh
field lh(Float epsilon, Float t, const test &v)
Definition: burgers_diffusion_operators.icc:25
Float
see the Float page for the full documentation
field
see the field page for the full documentation
form
see the form page for the full documentation
geo
see the geo page for the full documentation
problem
see the problem page for the full documentation
space
see the space page for the full documentation
test
see the test page for the full documentation
trial
see the test page for the full documentation
mkgeo_ugrid.boundary
int boundary
Definition: mkgeo_ugrid.sh:181
rheolef::details::dot
rheolef::details::is_vec dot
rheolef::grad
std::enable_if< details::is_field_convertible< Expr >::value,details::field_expr_v2_nonlinear_terminal_field< typename Expr::scalar_type,typename Expr::memory_type,details::differentiate_option::gradient >>::type grad(const Expr &expr)
grad(uh): see the expression page for the full documentation
Definition: field_expr_terminal.h:911
rheolef::integrate
std::enable_if< details::is_field_expr_v2_nonlinear_arg< Expr >::value &&! is_undeterminated< Result >::value, Result >::type integrate(const geo_basic< T, M > &omega, const Expr &expr, const integrate_option &iopt, Result dummy=Result())
see the integrate page for the full documentation
Definition: integrate.h:202
poisson_robin
field poisson_robin(Float Cf, const geo &boundary, const field &lh)
Definition: poisson_robin.icc:25
a
Definition: diffusion_isotropic.h:25
p
Definition: sphere.icc:25
u
Definition: leveque.h:25
u
Float u(const point &x)
Definition: transmission_error.cc:26